4. Power plants
  5. Pressure fluid source and motor
  6. Condition responsive control of motive fluid flow

Tsutomu Udagawa

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Control valve apparatus and pressure circuit

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Reexamination Certificate

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Overwinding prevention device for winch

Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate

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Swivel control apparatus

Power plants – Pressure fluid source and motor – Condition responsive control of motive fluid flow
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2456233

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